Dennis Haskins, best known for playing Principal Richard Belding on Saved by the Bell, died at the age of 75. Haskins' longtime agent, Jay Schachter, announced his death, calling it a "tragic loss" and complimenting the actor's close bond with his fans. The cause of death has not been officially disclosed.Schachter told ABC News:“It’s a tragic loss. Everyone loved Mr. Belding and those of us who got to know Dennis loved him even more. He was a great person, and he loved, I mean absolutely LOVED his fans. He always had time for them, no matter what. He was my client and dear friend for over 20 years, and I will miss him terribly. I’m heartbroken.”Who was Dennis Haskins?Dennis Haskins was an American actor best remembered for his role as Principal Richard Belding, popularly known as "Mr Belding," on Saved by the Bell.He first played the character in the Disney Channel sitcom Good Morning, Miss Bliss. The show was later revamped into Saved by the Bell, which became one of the most iconic sitcoms of the 1990s.Haskins played Principal Belding in the original series, which aired approximately 90 episodes. He then reprised the character in Saved by the Bell: Hawaiian Style and Saved by the Bell: The New Class, as well as other projects such as Robot Chicken.The character was well-known for his attempts to keep students like Zack Morris, A.C. Slater, and Screech Powers in line, and his catchphrase, "Hey, hey, hey, what is going on here?" became one of the show's most recognizable lines.Dennis Haskins' education and career beyond Saved by the BellHaskins was a Chattanooga native who went to Our Lady of Perpetual Help and Notre Dame High School before enrolling at the University of Tennessee at Chattanooga.He was a member of the UTC student newspaper and Drama Club, as well as the Student Government Association's entertainment chairman. He later received the university's Most Distinguished Alumni of 2000 award, and a regional high school academic decathlon was named the Dennis Haskins Open in his honor.Haskins made his network television debut on The Dukes of Hazzard in 1979, and he appeared in approximately 100 television episodes as an actor and voiceover artist.His other credits include Archie Bunker's Place, Magnum, P.I., 7th Heaven, Hot in Cleveland, It's Always Sunny in Philadelphia, Jennifer Falls, and A Million Ways to Die in the West. He also appeared in Abstruse, A Bennett Song Holiday, and Trailer Park Shark.Away from acting, Haskins maintained close ties with his fans. In recent years, he traveled around the country in the summer, visiting Minor League Baseball stadiums to meet fans, sign autographs, and take photographs.He was a regular at Dimples Karaoke in Burbank, California. According to a tribute from the establishment, many people assumed Haskins owned the venue because he was so familiar there. The bar had become his "second home," and he enjoyed performing, socializing, and taking photographs with fans. View this post on Instagram Instagram PostThe bar shared a tribute for Dennis Haskins on Instagram with the caption:“Dennis was a staple at Dimples. A lot of people thought he owned it, but he didn’t. He just loved the place and its people. He enjoyed singing for people, meeting them, and taking selfies with his fans. Dimples closed down about 11 years ago, and people still associate him with his beloved ‘second home.’ He was known to most as Mr. Belding from Saved by the Bell, but to us, he was much more than that.”It continued:“Late last night, that journey ended for him. He is now at peace and is probably entertaining the people in the sky. Just know that if you tried to reach out to him in the last few years, I did read your messages to him, and you were heard.”Dennis Haskins' official cause of death has not been revealed.According to some reports, the actor was diagnosed with Parkinson's disease and other health issues. Parade reported that Haskins did not openly share his health issues because he did not want the attention, and that others close to him kept the facts confidential.Some reports have linked his death to Parkinson's disease, although there has been no official confirmation of the cause.Dennis Haskins leaves behind a career that made Mr Belding a familiar face to generations of television viewers.Stay tuned to Soap Central for more information.